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~~= : : iii iiiiiiiiniiiiii <br />999 <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman Sl.. Room 215 <br />Denver, CO 80203 <br />Phone:13031866-3567 <br />FAX:1303)832-8106 <br />December 1, 1992 <br />Juan Garcia <br />Hydrologist/Environmental Engineer <br />Colowyo Coal Company <br />5731 State Highway 13 <br />Meeker, CO 81641 <br />RE: Colowyo Mine, Permit C-81-019 <br />MR-22; Hydrology and Other Concerns <br />Dear Mr. Garcia, <br />.~pE~Cpr~ [ <br />iti.- * , <br />r~• {~/~~ <br />-, ~ . ~. <br />\le-f <br />....:Diner <br />.~nichael B. Long <br />D rv~sian Dvrctor <br />;~ -22: Extension of Deadline For Reaching Agreement on Proscect Pond <br />--- Hvdroloaic Modeling <br />In order to speed up approval of permit revision PR-O1 and issuance of renewal <br />RN-02, the Division agreed in June of 1992 to postpone final approval of hydrologic <br />modeling for the Section 16 and West Pit areas of the mine. It was agreed at that <br />time that the Division and Colowyo would reach agreement over modeling for the <br />Prospect Pond and Section 16 area of the mine on or before August 31, 1992. It was <br />also agreed that Colowyo could not begin disturbance in the West Pit area of the <br />mine until the Division had approved the hydrology for that area. With these <br />agreements in place, Colowyo was permitted to begin construction of the Prospect <br />Pond and disturbance of a portion of the Section 16 area of the mine. <br />Soon after approval of PR-O1, the Division met with Colowyo to discuss their <br />upcoming submission concerning the Prospect Pond. Since that time the Division has <br />made repeated inquiries to Colowyo ae to when their latest submission would be <br />received by the Division. Colowyo requested extension of the Prospect Pond <br />deadline until October 30, 1992 on September 1, 1992. Aa part of minor revision <br />MR-22, Colowyo has formally requested that the deadline for reaching agreement be <br />revised to December 31, 1992. <br />The Division will agree to an extension of the deadline for agreement between <br />Colowyo and the Division over hydrologic modeling of the Prospect Pond if Colowyo <br />will revise page 4.05-2a of its permit to agree to submission of its hydrology <br />model for Prospect Pond by December 11, 1992. This will allow time for the <br />Division to comment and reach agreement with Colowyo by December 31, 1992. The <br />Division does not expect to extend the deadline again. <br />As Builts for Proscect Pond and Proscect Ditch <br />The Division has requested as builts for the Prospect Ditch and the Prospect Pond <br />on several occasions. The Division has not yet received these documents. Please <br />submit these documents to the Division, along with the page change requested above, <br />by December 11, 1992 in order to remain in compliance with Rule 2.05.3(4). <br />